Fatal error: Uncaught Error: Class "yii\web\AssetBundle" not found in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926955/assets/ParticipationFormAssets.php:13 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/runtime/module_backups/calendar_1736926955/assets/ParticipationFormAssets.php on line 13